Invention Grant
- Patent Title: Foamed sheet, product, and method for producing foamed sheet
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Application No.: US17533124Application Date: 2021-11-23
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Publication No.: US11951662B2Publication Date: 2024-04-09
- Inventor: Taichi Nemoto , Shizuka Hashida , Yoshimitsu Kumai , Ryo Miyakoshi , Tomoharu Miki
- Applicant: Taichi Nemoto , Shizuka Hashida , Yoshimitsu Kumai , Ryo Miyakoshi , Tomoharu Miki
- Applicant Address: JP Shizuoka
- Assignee: RICOH COMPANY, LTD.
- Current Assignee: RICOH COMPANY, LTD.
- Current Assignee Address: JP Tokyo
- Agency: XSENSUS LLP
- Priority: JP 20194084 2020.11.24 JP 21087826 2021.05.25 JP 21158455 2021.09.28 JP 21189692 2021.11.22
- Main IPC: B29B7/90
- IPC: B29B7/90 ; B29C44/02 ; B29C44/34 ; B29K67/00 ; B29K105/16 ; B29L7/00

Abstract:
A foamed sheet including: a polylactic acid; and a filler, wherein the foamed sheet has a compressive stress of 0.2 Mpa or less when the cushioning coefficient of the foamed sheet is 10 or less; and wherein the foamed sheet has a puncture strength of 2 N or more when the sheet thickness of the foamed sheet is 2 mm.
Public/Granted literature
- US20220161467A1 FOAMED SHEET, PRODUCT, AND METHOD FOR PRODUCING FOAMED SHEET Public/Granted day:2022-05-26
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